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Round|Natural|GIA

1.09ct F I1 Round Natural Diamond

GD • F/I1 • GIA 6203875080

Certificate GIA 6203875080

Diamond specifications and retailer prices

From $3,519 SGD
$2,753 USD
As of November 2, 2026
Save $572 SGD (14%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,123 SGD at NZ Jewellers · As of September 27, 2026
View at NZ Jewellers

About this 1.09ct natural round diamond

This 1.09ct natural round sits in the classic one-carat band, graded F colour (colourless) and I1 clarity (included), with a standard cut grade and certified by GIA 6203875080. Listed at 11 retailers as of November 2, 2026, with a relatively tight 16% spread, which is unusual at this carat range and suggests competitive pricing across the listings. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.09
Carat
F
Colour
I1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6203875080
Dimensions6.58 × 6.54 × 3.96 mm
L/W Ratio1.01
Top View
6.58 mm6.54 mm1.09 ctF / I1
OriginNatural
CutGood
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 6203875080
Side View
Table 63.0%CrownGirdle: ThickPavilionCulet: NoneDepth 60.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $3,963 SGD|Low: $3,091 SGD|High: $4,768 SGD|Avg: $3,947 SGD|-3.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 12, 2026
Retailer 7$3,091 SGD
Retailer 5$3,316 SGD
Retailer 3$3,519 SGD
Retailer 1$3,963 SGD
Retailer 6$3,963 SGD
Retailer 9$4,056 SGD
Retailer 4$4,091 SGD
Retailer 8$4,555 SGD
Retailer 2$4,745 SGD

15 data points across 9 retailers

11 retailers$3,519 SGD to $4,091 SGD

Retailer 1
-
$3,316 SGD
$2,594 USD
Price last confirmed 26 days ago
B
Retailer 2
-
$3,519 SGD
$2,753 USD
View
Retailer 3
-
$3,705 SGD
$2,898 USD
View
Price last confirmed 25 days ago
Retailer 4
-
$3,705 SGD
$2,898 USD
View
Price last confirmed 25 days ago
Retailer 5
-
$3,847 SGD
$3,009 USD
View
Price last confirmed 33 days ago
B
Retailer 6
-
$3,963 SGD
$3,100 USD
View
B
Retailer 7
-
$3,963 SGD
$3,100 USD
View
Retailer 8
-
$4,056 SGD
$3,173 USD
View
Price last confirmed 98 days ago
B
Retailer 9
-
$4,091 SGD
$3,200 USD
View
Retailer 10
-
$4,274 SGD
$3,343 USD
View
Price last confirmed 33 days ago
Most Expensive
NZ Jewellers
90fbc592-841a-4fdf-92a0-2f37c67d0cd1 · Sep 27
$7,123 SGD
$5,572 USD
View
Price last confirmed 36 days ago
10 more retailers have this diamond
Prices start from $3,519 SGDSave up to $572 SGD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B
1.09ct Round
$3,519 SGD